Base | Representation |
---|---|
bin | 1101101110111111101000… |
… | …10001010000100001100101 |
3 | 10221221021200020012202202211 |
4 | 12313133310101100201211 |
5 | 12424312210341114023 |
6 | 144122340251403421 |
7 | 6235011020430112 |
oct | 667376421204145 |
9 | 127837606182684 |
10 | 30202013223013 |
11 | 9694669110525 |
12 | 3479429153571 |
13 | 13b1064885338 |
14 | 765adc9a9909 |
15 | 375954d73a0d |
hex | 1b77f4450865 |
30202013223013 has 16 divisors (see below), whose sum is σ = 31295541538800. Its totient is φ = 29123123291136.
The previous prime is 30202013223007. The next prime is 30202013223043. The reversal of 30202013223013 is 31032231020203.
It can be written as a sum of positive squares in 8 ways, for example, as 40146934689 + 30161866288324 = 200367^2 + 5491982^2 .
It is a cyclic number.
It is not a de Polignac number, because 30202013223013 - 29 = 30202013222501 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30202013223043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47973631 + ... + 48599107.
It is an arithmetic number, because the mean of its divisors is an integer number (1955971346175).
Almost surely, 230202013223013 is an apocalyptic number.
It is an amenable number.
30202013223013 is a deficient number, since it is larger than the sum of its proper divisors (1093528315787).
30202013223013 is a wasteful number, since it uses less digits than its factorization.
30202013223013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 637176.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 30202013223013 its reverse (31032231020203), we get a palindrome (61234244243216).
The spelling of 30202013223013 in words is "thirty trillion, two hundred two billion, thirteen million, two hundred twenty-three thousand, thirteen".
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